Title:
AMPLIFIER
Document Type and Number:
WIPO Patent Application WO/2019/215973
Kind Code:
A1
Abstract:
The purpose of the present invention is to simplify adjustment of a gain of an amplifier. In a first transistor, an applied input signal is input to a gate terminal and an electric current according to the input signal flows. A load part is connected to a drain terminal of the first transistor. In a second transistor, a gate terminal is connected to the load part and an electric current according to change of voltage of the drain terminal of the first transistor flows. To a first resistance, a source terminal of the first transistor and a drain terminal of the second transistor are connected in common and electric currents from the first transistor and the second transistor flow. A third transistor feeds an electric current substantially equal to that of the second transistor. To an output terminal, the electric current fed from the third transistor is output.
Inventors:
NISHIMURA KAZUMASA (JP)
ICHIHASHI MASAHIRO (JP)
KATAKURA MASAYUKI (JP)
KONDOU KENYA (JP)
TASHIRO TETSUYA (JP)
HAO BOYANG (JP)
TSUKAMOTO KOUZI (JP)
ICHIHASHI MASAHIRO (JP)
KATAKURA MASAYUKI (JP)
KONDOU KENYA (JP)
TASHIRO TETSUYA (JP)
HAO BOYANG (JP)
TSUKAMOTO KOUZI (JP)
Application Number:
PCT/JP2019/004575
Publication Date:
November 14, 2019
Filing Date:
February 08, 2019
Export Citation:
Assignee:
SONY SEMICONDUCTOR SOLUTIONS CORP (JP)
International Classes:
H04N5/378; H03F3/34; H03F3/68
Foreign References:
| JP2018019335A | 2018-02-01 | |||
| JP2012109658A | 2012-06-07 | |||
| JP2009303042A | 2009-12-24 |
Attorney, Agent or Firm:
MATSUO Kenichiro (JP)
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